EP0670023B1 - Quick connection coupling valve assembly - Google Patents
Quick connection coupling valve assembly Download PDFInfo
- Publication number
- EP0670023B1 EP0670023B1 EP19930923795 EP93923795A EP0670023B1 EP 0670023 B1 EP0670023 B1 EP 0670023B1 EP 19930923795 EP19930923795 EP 19930923795 EP 93923795 A EP93923795 A EP 93923795A EP 0670023 B1 EP0670023 B1 EP 0670023B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling member
- poppet
- female coupling
- valve assembly
- male
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
- F16L37/0841—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a transversally slidable locking member surrounding the tube
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/28—Couplings of the quick-acting type with fluid cut-off means
- F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
- F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T137/00—Fluid handling
- Y10T137/8593—Systems
- Y10T137/87917—Flow path with serial valves and/or closures
- Y10T137/87925—Separable flow path section, valve or closure in each
- Y10T137/87941—Each valve and/or closure operated by coupling motion
- Y10T137/87949—Linear motion of flow path sections operates both
- Y10T137/87957—Valves actuate each other
Definitions
- the present invention relates to a quick connection coupling valve assembly. More particularly, the present invention relates to a quick connection coupling valve assembly having a male coupling member and a female coupling member according to the introductory portion of claim 1.
- connection coupling valve assembly Various types are known and disclosed in the art, such as connecting flexible tubes utilized in the bio-medical applications, instrument connection, fluid dispensing assembly, etc..
- connection coupling valve assemblies One concern with many current connection coupling valve assemblies is that it is difficult to quickly lock and release the connection coupling valve without any leakage of fluid in the fluid passageway.
- U.S.Patent No.4,436,125 discloses a quick connect/disconnect coupling assembly.
- a female coupling member includes a poppet valve assembly which functions as an automatic shut-off of the fluid passageway in the female coupling member when the female coupling member is not interconnected to the male coupling member.
- U.S.Patent No.4,541,457 discloses a female coupling member including a two-way uncoupling valve assembly and a locking mechanism for cooperating with a male coupling member.
- U.S.Patent No.4,934,655 discloses a shut-off valve assembly including a plunger and projections cooperating with each other to open or close the fluid passageway.
- U.S.Patent No.3,525,361 discloses a valve assembly including a male member and a female member with valve poppets to terminate the flow of fluid when the coupling members are disconnected and to open upon connection of the male and female members.
- Each poppet provides a hollow region behind a tip end which can develop backflow and turbulence in the flow of fluid.
- Object of the present invention is to improve the features of the above valve assembly.
- One embodiment of the present invention relates to a quick connection coupling valve assembly
- a male coupling member having a front end and a back end
- the male coupling member including a housing which reciprocally receives a poppet member therein and defines a fluid passageway therethrough
- the poppet member having a tip end normally projecting from a front end of the housing, a spring member being compressedly disposed between a back end of the housing and the poppet member, the back end of the male coupling member being connectable to a fluid conduit.
- the quick connection coupling valve assembly further comprises a female coupling member having a front end and a back end, the female coupling member including a housing defining a fluid passageway therethrough having first and second portions, the first housing portion reciprocally receiving a poppet member and the second housing portion receiving the first end of the male coupling member, said poppet member having a tip end normally projecting from a front end of the first housing portion, a spring member being compressedly disposed between a back end of the first housing portion and the poppet member, the back end of the female coupling member being connectable to a fluid conduit.
- the quick connection coupling valve assembly includes clip means proximate the front end of the female coupling member for releasably locking the male coupling member in the female coupling member.
- each of the poppet members includes a conical member disposed on a back side of the tip end, the conical end tapering axially away from the tip end.
- a first adaptor is welded to the back end of the housing of the male coupling member, and a second adaptor is welded to the back end of the first housing portion of the female coupling member, at least one flash trap is disposed between one end of the first adaptor and the back end of the male coupling member, and the second adaptor and the back end of the female coupling member, respectively.
- the clip means includes a one piece clip member and a spring member which is disposed between a surface of the female coupling member and a bottom surface of a tab portion of the clip member, the spring member being enclosed by the tab portion and at least one vertical wall of the female coupling member.
- the clip member is a one-piece plastic material.
- the clip member includes a lower edge having an inclined surface on a side facing the male coupling member and a vertical surface on a side facing away from the male coupling member.
- the male coupling member includes a circumferential flange having an inclined surface on a side facing the female coupling member and a vertical surface on a side facing away from the female coupling member. Accordingly, when the male coupling member is inserted into the female coupling member, the inclined surfaces cooperate to force the clip member downward. Once the flange of the male coupling member passes the clip member, the spring member forces the clip member upward and the vertical walls cooperate to retain the male and female coupling members in a locked state.
- the tip end of the poppet member of the male coupling member Is aligned with the tip end of the poppet member of the female coupling member.
- the tip ends of the poppets are engageable with each other to open fluid passageways of the male coupling member and the female coupling member when the valve assembly is locked by the clip means.
- the tip ends of the poppets are disengaged from each other to close the fluid passageways of the male coupling member and the female coupling member when the male coupling member Is disconnected from the female coupling member.
- a first o-ring is disposed on an outer surface at the front end of the male coupling member and forms a fluid tight seal between the male coupling member and the female coupling member.
- a second o-ring is disposed on an outer surface at a front end of the poppet members of the male/female coupling members and forms a fluid tight seal between the male coupling member and the female coupling member, respectively.
- Figure 1 is a perspective view of an embodiment of a quick connection coupling valve assembly generally in accordance with the principles of the present invention having a male coupling member and a female coupling member.
- Figure 2 is a cross-sectional view of the quick connection coupling valve assembly shown in Figure 1.
- Figure 3 is a top view of the female coupling member housing, a clip member and poppet being removed for purposes of illustration.
- Figure 4 is a side view of the female coupling member housing shown in Figure 3.
- Figure 5 is a front view of the female coupling member housing shown in Figure 3.
- Figure 6 is a back view of the female coupling member housing shown in Figure 3.
- Figure 7A is a cross-sectional view of the female coupling member having a first embodiment of a fluid conduit adaptor integrally welded to an end of the female coupling member.
- Figure 7B is a cross-sectional view of the female coupling member having a second embodiment of a fluid conduit adaptor integrally welded to an end of the female coupling member.
- Figure 8 is an enlarged partial sectional view of a flash trap on the female coupling member.
- Figure 9 is an enlarged view of a connection of the female coupling member and the fluid conduit adaptor proximate the flash trap of the female coupling member.
- Figure 10 is a back view of a clip member of the female coupling member.
- Figure 11 is a bottom view of the clip member of the female coupling member.
- Figure 12 is a cross-sectional view of the clip member of the female coupling member.
- Figure 13A is a cross-sectional view of the male coupling member with a first embodiment of a fluid conduit adaptor integrally welded to an end of the male coupling member.
- Figure 13B is a cross-sectional view of the male coupling member with a second embodiment of a fluid conduit adaptor integrally welded to an end of the male coupling member.
- Figure 13C is a cross-sectional view of the male coupling member with a third embodiment of a fluid conduit adaptor integrally welded to an end of the male coupling member.
- Figure 14 is a cross-sectional view of a fluid conduit adaptor.
- Figure 15 is an enlarged partial view of the adaptor shown in Figure 14.
- Figure 16 is a side view of an embodiment of a male coupling member having a poppet member disposed therein.
- Figure 17 is a back view of the male coupling member shown in Figure 16.
- Figure 18 is a side view of the male coupling member housing with the poppet member removed.
- Figure 19 is a cross-sectional view of the male coupling member housing with the poppet member removed as shown in Figure 18.
- Figure 20 is a side view of an embodiment of a poppet member.
- Figure 21A is a cross-sectional view of the poppet member.
- Figure 21B is a cross-sectional view of the poppet member with a different view-angle from Figure 21A.
- Figure 22 is a front end view of the poppet member.
- Figure 23 is a cross-sectional view of an embodiment of a male coupling member having no poppet member.
- Figure 24A is a cross-sectional view of the male coupling member shown in Figure 23 having a first embodiment of a fluid conduit adaptor proximate one end.
- Figure 24B is a cross-sectional view of the male coupling member shown in Figure 23 having a second embodiment of a fluid conduit adaptor proximate one end.
- Figure 24C is a cross-sectional view of the male coupling member having a third embodiment of a fluid conduit adaptor proximate one end.
- Figure 25 is a perspective view of another embodiment of a quick connection coupling valve assembly.
- Figure 26 is a cross-sectional view of the quick connection coupling valve assembly as shown in Figure 25.
- the valve assembly 40 includes a female coupling member 42 and a male coupling member 44.
- the female coupling member 42 is welded to a fluid conduit adaptor 46 which is connected to a fluid conduit (not shown), such as a container or a tube, etc.
- the male coupling member 44 is welded to a fluid conduit adaptor 48 which is connected to a fluid conduit (not shown) as mentioned above.
- the fluid conduit adaptors 46,48 may have any kinds of configurations, such as a serrated bar adaptor, a threaded bar adaptor, etc. It will also be appreciated, the fluid conduits can be have any number of configurations.
- FIG. 2 a cross-sectional view of the valve assembly 40 is shown.
- the male coupling member 44 is inserted partially into the female coupling member 42 and is locked in place.
- the female coupling member 42 has a front end 50 and a back end 52.
- a housing 54 defined in the female coupling member 42 includes a first housing portion 56 and a second housing portion 58.
- a front end 60 of the male coupling member 44 is received in the second housing portion 58.
- a poppet member 62 which is reciprocally disposed in the first housing portion 56 of the female coupling member 42, is aligned with a poppet member 64 which is reciprocally disposed in a housing 66 of the male coupling member 44.
- a tip end 68 of the poppet member 62 and a tip end 70 of the poppet member 64 are engaged against each other thereby forcing each other in a backward direction so as to open a fluid passageway 76 between the female and male coupling members 42,44.
- a spring member 72 is compressedly received between the poppet member 62 and the back end 52 of the female coupling member 42.
- a spring member 74 is compressedly received between the poppet member 64 and a back end 75 of the male coupling member 44.
- the spring members 72,74 will bias the poppet members 62,64 forward when the tip ends 68,70 are disengaged from each other as is the case when the male coupling member 44 is disconnected from the female coupling member 46.
- the poppet members 62,64 Upon being biased forward, the poppet members 62,64 will close and seal the fluid passageways through the female and male coupling members 42,44, respectively.
- the second housing portion 58 of the female coupling member 42 has a clip member 78 received in a slot 77 disposed in its bottom and top portion.
- a spring member 80 is seated in an aperture 82 proximate the front end 50 of the female coupling member 42 beneath a tab portion 81 of the clip member 78.
- the spring member 80 is enclosed by the top horizontal tab portion 81 of the clip member 78 and two vertical side walls 84,86. Accordingly, the spring member 80 is not visible on the valve assembly 40.
- the clip member 78 further includes a vertical portion 87 having an opening which is frictionally received in the slot 77. A lower edge 69 of the vertical portion 87 normally projection into the fluid passageway.
- the lower edge 69 has an inclined surface 67 on a side facing the male coupling member 44 and a vertical surface 65 on a side facing away from the male coupling member 44.
- the male coupling member 44 has a circumferential flange 91 having an inclined surface 83 on a side facing the female coupling member 42 and a vertical surface 85 on a side facing away from the female coupling member 42. Accordingly, when the male coupling member 44 is inserted into the female coupling member 42, the inclined surfaces of the clip member 78, lower edge 69 and the male coupling member flange cooperate to force the clip member downward. Once the flange 91 passes the lower edge 69, the clip member 78 is biased upward by the spring member 80.
- the vertical surface then cooperate to retain the female and male coupling members in a locked position.
- the tab portion 81 of the clip member 78 is simply depressed. This forces the lower edge 69 of the clip member below the flange 91, thereby releasing the male coupling member 44 so that it can be removed from the female coupling member 42.
- the male coupling 44 is simply inserted into the female coupling member 42. An audible signal will occur when the clip member 78 slides upward and engages the flange 91 of the male coupling member 44 and locks it in place.
- the clip member 78 is preferably made of one-piece plastic material.
- the housing portions of the female and male coupling members 42,44 are also preferably made of plastic.
- the clip member 78 has a different color than the housing portions so that the tap portion 81 can be readily distinguished from the rest of the valve assembly.
- FIG. 5 a front end view of the female coupling member is shown.
- a cylindrical inclined wall 88 is disposed in an inner surface 89 of the female coupling member 42.
- the cylindrical inclined wall 83 (shown in Figure 16) of the male coupling member 44 abuts with the cylindrical inclined wall 88 when the female coupling member 42 engages with the male coupling member 44 so that the fluid passageway is opened and there is no leakage between the cylindrical inclined wall 88 and the cylindrical inclined wall 90.
- FIG 6 is shown a back end view of the female coupling member 42.
- a conical member 94 is disposed on a back side of the tip end 68 of the poppet member 62 which is also shown in Figure 2.
- the conical member 94 provides minimal interference with fluid flow through the poppet member 62.
- the spring member 72 is received on a cylindrical surface 95 and is partially disposed within a cylindrical wall 93 of the poppet member 62.
- the poppet member 62 defines four openings 97 between four rib members 96. Accordingly, fluid flows through the poppet member 62.
- Figures 7A,B cross-sectional views of the female coupling member 42 are shown.
- Figure 7A shows a serrated fluid conduit adaptor 46 being affixed to the back end 52 of the female coupling member 42.
- Figure 7B shows a threaded fluid conduit adaptor 46 being affixed to the back end 52 of the female coupling member 42.
- An o-ring 100 is disposed at an outer surface of the poppet member 62 of the female coupling member 42. The o-ring 100 forms a fluid tight seal between a surface 99 of the female coupling member 42 and the first housing portion 56.
- an enlarged view of a flash trap 102 is disposed on an outer surface 104 at the back end 52 of the female coupling member 42.
- the flash trap 102 is designed to collect extra material when the fluid conduit adaptor 46 is thermally welded to the back end 52 of the female coupling member 42 so that the fluid conduit adaptor 46 has a good connection with the female coupling member 42.
- FIG. 9 an enlarged view of the connection between the fluid conduit adaptor 46 and the female coupling member 42 is shown.
- the flash trap 102 is defined between the fluid conduit adaptor 46 and the female coupling member 42 so that when the welded attachment is made thermally, expanded materials fill into the flash trap 102 so as to form a good sealing therebetween.
- FIG. 10 a back end view, a bottom side view and a sectional view of the clip member 78 are shown.
- the inclined wall 67 and the vertical wall 65 are disposed at the lower edge 69 of the vertical portion 87.
- two ribs 108 are projected from sides of the vertical portion 87 of the clip member 78. The ribs 108 engage with side wall portions of the slot 77 so that the clip member 78 does not fall out and is retained at all times with the female coupling member 42.
- FIGS 13A-C cross-sectional views of the male coupling member 44 are shown.
- the poppet member 64 which has the same configuration as the poppet member 62 of the female coupling member 42, is received in the housing 66 of the male coupling member 44.
- the spring member 74 is compressedly disposed between the conical member 94 of the poppet member 64 and the back end of the housing 66 of the male coupling member 44.
- the o-ring 100 is also disposed on an outer surface of the poppet member 64 at the front end 60 of the housing 66 so as to form a fluid tight seal between an inner surface 101 of the male coupling member 42 and the housing 66.
- the serrated fluid conduit adaptor 48a is integrally welded to the back end 75 of the male coupling member 44.
- the threaded fluid conduit adaptor 48b and the right-angle serrated fluid conduit adaptor 48c are integrally welded to the back end 75 of the male coupling member 44, respectively.
- the male coupling member 44 is integrally welded to an inner surface of the fluid conduit adaptor 48.
- the male coupling member 44 includes a flash trap 102 which provides good welded connection between the adaptor 48 and the male coupling member 44.
- Figure 16 shows a side view of the male coupling member 44.
- the tip end 70 of the poppet member 64 projects from the housing 66.
- the cylindrical inclined wall 83 of the male coupling member 44 which corresponds to the cylindrical inclined wall 88 is disposed on an outer surface 112 of the male coupling member 44. No fluid is allowed to leak from the valve assembly 40 when the cylindrical inclined walls 88 and 90 are engaged with each other.
- Figure 17 shows a back end view of the male coupling member 44.
- Figure 18 shows a side view of the housing 66 of the male coupling member 44 with the poppet member 64 removed.
- Figure 19 shows a cross-sectional view of Figure 18.
- FIG. 20 a side view of the poppet member 62 or 64 is shown in Figure 20.
- a groove 116 for retaining the o-ring 100 is disposed proximate the tip end 68 of the poppet member 62.
- Figures 21A,B show different view-angles of the cross-sectional views of the poppet member 62.
- Figure 21B shows the view of 45 degrees turning from Figure 21A.
- Figure 22 shows a back end view of the poppet member 62.
- Figure 23 shows a cross-sectional view of another embodiment of a male coupling member 118 having no reciprocally movable poppet member 62.
- a groove 126 is disposed on an outer surface 128 of the male coupling member 118 for receiving the o-ring 110.
- Figures 24A-C show cross-sectional views of the male coupling member 118 with three different fluid conduit adaptors 48.
- a tip end 120 is projected from cross-bars 122 which are disposed and integral with an inner surface 124 of the male coupling member 118.
- the fluid in the male coupling member 118 is allowed to pass through at any times.
- the tip end 120 is engaged with the tip end 68 of the female coupling member 42, the fluid is allowed to flow through the male coupling member 44 and the female coupling member 42.
- FIG. 25 a perspective view of another embodiment of the valve assembly 130 is shown.
- a female coupling member 131 of the valve assembly 130 is different from that of the valve assembly 40 in that the female coupling member has a different adaptor 133.
- This embodiment is particularly suited for mounting on panel or bulkhead.
- a sleeve member 132 is threadedly mounted on a threaded helical groove 134.
- Dardelet threads are used so that the sleeve member 132 is self locking.
- a pad 136 having a recess 138 is disposed between the sleeve member 132 and a stop flange 139 which has a projection 140 received in the recess 138.
- Figure 26 shows a cross-sectional view of the female coupling member 131 shown in Figure 25.
Abstract
Description
- The present invention relates to a quick connection coupling valve assembly. More particularly, the present invention relates to a quick connection coupling valve assembly having a male coupling member and a female coupling member according to the introductory portion of claim 1.
- Various types of connection coupling valve assembly are known and disclosed in the art, such as connecting flexible tubes utilized in the bio-medical applications, instrument connection, fluid dispensing assembly, etc..
- One concern with many current connection coupling valve assemblies is that it is difficult to quickly lock and release the connection coupling valve without any leakage of fluid in the fluid passageway.
- In the medical industry or fluid dispensing industry, it is very desirable and critical to keep fluid containers sealed until the time of use. In many cases, it is desirable to have precise volumes of fluid dispensed without any leakage.
- U.S.Patent No.4,436,125 discloses a quick connect/disconnect coupling assembly. A female coupling member includes a poppet valve assembly which functions as an automatic shut-off of the fluid passageway in the female coupling member when the female coupling member is not interconnected to the male coupling member.
- U.S.Patent No.4,541,457 discloses a female coupling member including a two-way uncoupling valve assembly and a locking mechanism for cooperating with a male coupling member.
- U.S.Patent No.4,934,655 discloses a shut-off valve assembly including a plunger and projections cooperating with each other to open or close the fluid passageway.
- U.S.Patent No.3,525,361 discloses a valve assembly including a male member and a female member with valve poppets to terminate the flow of fluid when the coupling members are disconnected and to open upon connection of the male and female members. Each poppet provides a hollow region behind a tip end which can develop backflow and turbulence in the flow of fluid.
- Object of the present invention is to improve the features of the above valve assembly.
- This object is achieved by the quick connection valve assembly according to the characterising portion of claim 1.
- One embodiment of the present invention relates to a quick connection coupling valve assembly comprising a male coupling member having a front end and a back end, the male coupling member including a housing which reciprocally receives a poppet member therein and defines a fluid passageway therethrough, the poppet member having a tip end normally projecting from a front end of the housing, a spring member being compressedly disposed between a back end of the housing and the poppet member, the back end of the male coupling member being connectable to a fluid conduit.
- In this embodiment of the present invention, the quick connection coupling valve assembly further comprises a female coupling member having a front end and a back end, the female coupling member including a housing defining a fluid passageway therethrough having first and second portions, the first housing portion reciprocally receiving a poppet member and the second housing portion receiving the first end of the male coupling member, said poppet member having a tip end normally projecting from a front end of the first housing portion, a spring member being compressedly disposed between a back end of the first housing portion and the poppet member, the back end of the female coupling member being connectable to a fluid conduit.
- In this embodiment, the quick connection coupling valve assembly includes clip means proximate the front end of the female coupling member for releasably locking the male coupling member in the female coupling member.
- Further in this embodiment, each of the poppet members includes a conical member disposed on a back side of the tip end, the conical end tapering axially away from the tip end.
- In one embodiment, a first adaptor is welded to the back end of the housing of the male coupling member, and a second adaptor is welded to the back end of the first housing portion of the female coupling member, at least one flash trap is disposed between one end of the first adaptor and the back end of the male coupling member, and the second adaptor and the back end of the female coupling member, respectively.
- In one embodiment, the clip means includes a one piece clip member and a spring member which is disposed between a surface of the female coupling member and a bottom surface of a tab portion of the clip member, the spring member being enclosed by the tab portion and at least one vertical wall of the female coupling member.
- Further in one embodiment, the clip member is a one-piece plastic material.
- In one embodiment, the clip member includes a lower edge having an inclined surface on a side facing the male coupling member and a vertical surface on a side facing away from the male coupling member. The male coupling member includes a circumferential flange having an inclined surface on a side facing the female coupling member and a vertical surface on a side facing away from the female coupling member. Accordingly, when the male coupling member is inserted into the female coupling member, the inclined surfaces cooperate to force the clip member downward. Once the flange of the male coupling member passes the clip member, the spring member forces the clip member upward and the vertical walls cooperate to retain the male and female coupling members in a locked state.
- Yet in one embodiment, the tip end of the poppet member of the male coupling member Is aligned with the tip end of the poppet member of the female coupling member. In addition, the tip ends of the poppets are engageable with each other to open fluid passageways of the male coupling member and the female coupling member when the valve assembly is locked by the clip means. Further, the tip ends of the poppets are disengaged from each other to close the fluid passageways of the male coupling member and the female coupling member when the male coupling member Is disconnected from the female coupling member.
- In one embodiment, a first o-ring is disposed on an outer surface at the front end of the male coupling member and forms a fluid tight seal between the male coupling member and the female coupling member.
- In one embodiment, a second o-ring is disposed on an outer surface at a front end of the poppet members of the male/female coupling members and forms a fluid tight seal between the male coupling member and the female coupling member, respectively.
- These and various other advantages and features of novelty which characterize the invention are pointed out with particularity in the claims annexed hereto and forming a part hereof. However, for a better understanding of the invention, its advantages, and objects obtained by its use, reference should be had to the drawing which forms a further part hereof, and to the accompanying descriptive matter, in which there is illustrated and described a preferred embodiment of the invention.
- In the drawing in which like reference numerals and letters generally indicate corresponding parts throughout the several views,
- Figure 1 is a perspective view of an embodiment of a quick connection coupling valve assembly generally in accordance with the principles of the present invention having a male coupling member and a female coupling member.
- Figure 2 is a cross-sectional view of the quick connection coupling valve assembly shown in Figure 1.
- Figure 3 is a top view of the female coupling member housing, a clip member and poppet being removed for purposes of illustration.
- Figure 4 is a side view of the female coupling member housing shown in Figure 3.
- Figure 5 is a front view of the female coupling member housing shown in Figure 3.
- Figure 6 is a back view of the female coupling member housing shown in Figure 3.
- Figure 7A is a cross-sectional view of the female coupling member having a first embodiment of a fluid conduit adaptor integrally welded to an end of the female coupling member.
- Figure 7B is a cross-sectional view of the female coupling member having a second embodiment of a fluid conduit adaptor integrally welded to an end of the female coupling member.
- Figure 8 is an enlarged partial sectional view of a flash trap on the female coupling member.
- Figure 9 is an enlarged view of a connection of the female coupling member and the fluid conduit adaptor proximate the flash trap of the female coupling member.
- Figure 10 is a back view of a clip member of the female coupling member.
- Figure 11 is a bottom view of the clip member of the female coupling member.
- Figure 12 is a cross-sectional view of the clip member of the female coupling member.
- Figure 13A is a cross-sectional view of the male coupling member with a first embodiment of a fluid conduit adaptor integrally welded to an end of the male coupling member.
- Figure 13B is a cross-sectional view of the male coupling member with a second embodiment of a fluid conduit adaptor integrally welded to an end of the male coupling member.
- Figure 13C is a cross-sectional view of the male coupling member with a third embodiment of a fluid conduit adaptor integrally welded to an end of the male coupling member.
- Figure 14 is a cross-sectional view of a fluid conduit adaptor.
- Figure 15 is an enlarged partial view of the adaptor shown in Figure 14.
- Figure 16 is a side view of an embodiment of a male coupling member having a poppet member disposed therein.
- Figure 17 is a back view of the male coupling member shown in Figure 16.
- Figure 18 is a side view of the male coupling member housing with the poppet member removed.
- Figure 19 is a cross-sectional view of the male coupling member housing with the poppet member removed as shown in Figure 18.
- Figure 20 is a side view of an embodiment of a poppet member.
- Figure 21A is a cross-sectional view of the poppet member.
- Figure 21B is a cross-sectional view of the poppet member with a different view-angle from Figure 21A.
- Figure 22 is a front end view of the poppet member.
- Figure 23 is a cross-sectional view of an embodiment of a male coupling member having no poppet member.
- Figure 24A is a cross-sectional view of the male coupling member shown in Figure 23 having a first embodiment of a fluid conduit adaptor proximate one end.
- Figure 24B is a cross-sectional view of the male coupling member shown in Figure 23 having a second embodiment of a fluid conduit adaptor proximate one end.
- Figure 24C is a cross-sectional view of the male coupling member having a third embodiment of a fluid conduit adaptor proximate one end.
- Figure 25 is a perspective view of another embodiment of a quick connection coupling valve assembly.
- Figure 26 is a cross-sectional view of the quick connection coupling valve assembly as shown in Figure 25.
- Referring to Figure 1, there is shown an embodiment of a quick connection
coupling valve assembly 40 generally in accordance with the principles of the present invention. Thevalve assembly 40 includes afemale coupling member 42 and amale coupling member 44. Thefemale coupling member 42 is welded to afluid conduit adaptor 46 which is connected to a fluid conduit (not shown), such as a container or a tube, etc. Themale coupling member 44 is welded to afluid conduit adaptor 48 which is connected to a fluid conduit (not shown) as mentioned above. Thefluid conduit adaptors - Now referring to Figure 2, a cross-sectional view of the
valve assembly 40 is shown. Themale coupling member 44 is inserted partially into thefemale coupling member 42 and is locked in place. - The
female coupling member 42 has afront end 50 and aback end 52. Ahousing 54 defined in thefemale coupling member 42 includes afirst housing portion 56 and asecond housing portion 58. Afront end 60 of themale coupling member 44 is received in thesecond housing portion 58. - Further in Figure 2, a
poppet member 62, which is reciprocally disposed in thefirst housing portion 56 of thefemale coupling member 42, is aligned with apoppet member 64 which is reciprocally disposed in ahousing 66 of themale coupling member 44. Atip end 68 of thepoppet member 62 and atip end 70 of thepoppet member 64 are engaged against each other thereby forcing each other in a backward direction so as to open afluid passageway 76 between the female andmale coupling members spring member 72 is compressedly received between thepoppet member 62 and theback end 52 of thefemale coupling member 42. Aspring member 74 is compressedly received between thepoppet member 64 and aback end 75 of themale coupling member 44. Therefore, thespring members poppet members male coupling member 44 is disconnected from thefemale coupling member 46. Upon being biased forward, thepoppet members male coupling members - Referring now to Figures 2-4, the
second housing portion 58 of thefemale coupling member 42 has aclip member 78 received in aslot 77 disposed in its bottom and top portion. Aspring member 80 is seated in anaperture 82 proximate thefront end 50 of thefemale coupling member 42 beneath atab portion 81 of theclip member 78. Thespring member 80 is enclosed by the tophorizontal tab portion 81 of theclip member 78 and twovertical side walls spring member 80 is not visible on thevalve assembly 40. Theclip member 78 further includes avertical portion 87 having an opening which is frictionally received in theslot 77. Alower edge 69 of thevertical portion 87 normally projection into the fluid passageway. Thelower edge 69 has aninclined surface 67 on a side facing themale coupling member 44 and avertical surface 65 on a side facing away from themale coupling member 44. As shown in Figures 13A-C, themale coupling member 44 has acircumferential flange 91 having aninclined surface 83 on a side facing thefemale coupling member 42 and avertical surface 85 on a side facing away from thefemale coupling member 42. Accordingly, when themale coupling member 44 is inserted into thefemale coupling member 42, the inclined surfaces of theclip member 78,lower edge 69 and the male coupling member flange cooperate to force the clip member downward. Once theflange 91 passes thelower edge 69, theclip member 78 is biased upward by thespring member 80. The vertical surface then cooperate to retain the female and male coupling members in a locked position. To release the female andmale coupling members tab portion 81 of theclip member 78 is simply depressed. This forces thelower edge 69 of the clip member below theflange 91, thereby releasing themale coupling member 44 so that it can be removed from thefemale coupling member 42. To connect the female andmale coupling members male coupling 44 is simply inserted into thefemale coupling member 42. An audible signal will occur when theclip member 78 slides upward and engages theflange 91 of themale coupling member 44 and locks it in place. - Furthermore, the
clip member 78 is preferably made of one-piece plastic material. The housing portions of the female andmale coupling members clip member 78 has a different color than the housing portions so that thetap portion 81 can be readily distinguished from the rest of the valve assembly. - Now referring to Figure 5, a front end view of the female coupling member is shown. A cylindrical
inclined wall 88 is disposed in aninner surface 89 of thefemale coupling member 42. The cylindrical inclined wall 83 (shown in Figure 16) of themale coupling member 44 abuts with the cylindricalinclined wall 88 when thefemale coupling member 42 engages with themale coupling member 44 so that the fluid passageway is opened and there is no leakage between the cylindricalinclined wall 88 and the cylindricalinclined wall 90. - Figure 6 is shown a back end view of the
female coupling member 42. Aconical member 94 is disposed on a back side of thetip end 68 of thepoppet member 62 which is also shown in Figure 2. Theconical member 94 provides minimal interference with fluid flow through thepoppet member 62. Thespring member 72 is received on acylindrical surface 95 and is partially disposed within acylindrical wall 93 of thepoppet member 62. In addition, thepoppet member 62 defines fouropenings 97 between fourrib members 96. Accordingly, fluid flows through thepoppet member 62. - Now referring to Figures 7A,B, cross-sectional views of the
female coupling member 42 are shown.
Figure 7A shows a serratedfluid conduit adaptor 46 being affixed to theback end 52 of thefemale coupling member 42. Figure 7B shows a threadedfluid conduit adaptor 46 being affixed to theback end 52 of thefemale coupling member 42. An o-ring 100 is disposed at an outer surface of thepoppet member 62 of thefemale coupling member 42. The o-ring 100 forms a fluid tight seal between asurface 99 of thefemale coupling member 42 and thefirst housing portion 56. - Now referring to Figure 8, an enlarged view of a
flash trap 102 is disposed on anouter surface 104 at theback end 52 of thefemale coupling member 42. Theflash trap 102 is designed to collect extra material when thefluid conduit adaptor 46 is thermally welded to theback end 52 of thefemale coupling member 42 so that thefluid conduit adaptor 46 has a good connection with thefemale coupling member 42. - Referring to Figure 9, an enlarged view of the connection between the
fluid conduit adaptor 46 and thefemale coupling member 42 is shown. Theflash trap 102 is defined between thefluid conduit adaptor 46 and thefemale coupling member 42 so that when the welded attachment is made thermally, expanded materials fill into theflash trap 102 so as to form a good sealing therebetween. - Now referring to Figures 10, 11 and 12, a back end view, a bottom side view and a sectional view of the
clip member 78 are shown. Theinclined wall 67 and thevertical wall 65 are disposed at thelower edge 69 of thevertical portion 87. In addition, tworibs 108 are projected from sides of thevertical portion 87 of theclip member 78. Theribs 108 engage with side wall portions of theslot 77 so that theclip member 78 does not fall out and is retained at all times with thefemale coupling member 42. - Now referring to Figures 13A-C, cross-sectional views of the
male coupling member 44 are shown. In Figure 13A, thepoppet member 64, which has the same configuration as thepoppet member 62 of thefemale coupling member 42, is received in thehousing 66 of themale coupling member 44. Thespring member 74 is compressedly disposed between theconical member 94 of thepoppet member 64 and the back end of thehousing 66 of themale coupling member 44. The o-ring 100 is also disposed on an outer surface of thepoppet member 64 at thefront end 60 of thehousing 66 so as to form a fluid tight seal between aninner surface 101 of themale coupling member 42 and thehousing 66. Therefore, when thetip end 70 of thepoppet member 64 is pushed away from thefront end 60 toward theback end 75 as is the case when themale coupling member 44 engages thefemale coupling member 42, thefluid passageway 76 is opened. When the female andmale coupling members compressed spring member 74 forces thepoppet member 64 forward into engagement with thesurface 101 to stop the fluid from flowing outside of thehousing 66. Another o-ring 110 is disposed on an outer surface of thehousing 66. The o-ring 110 forms a fluid tight seal between themale coupling member 44 and thefemale coupling member 42. Illustrated in Figures 13A-C, are threedifferent embodiments 48a,b,c of thefluid conduit adaptor 48. In Figure 13A, the serratedfluid conduit adaptor 48a is integrally welded to theback end 75 of themale coupling member 44. In Figures 13B, 13C, the threadedfluid conduit adaptor 48b and the right-angle serratedfluid conduit adaptor 48c are integrally welded to theback end 75 of themale coupling member 44, respectively. - Now referring to Figures 14 and 15, a cross-sectional view and an enlarged view of the
fluid conduit adaptor 48 is shown. Themale coupling member 44 is integrally welded to an inner surface of thefluid conduit adaptor 48. As with thefemale coupling member 42, themale coupling member 44 includes aflash trap 102 which provides good welded connection between theadaptor 48 and themale coupling member 44. - Referring to Figures 16, 17, 18 and 19, Figure 16 shows a side view of the
male coupling member 44. Thetip end 70 of thepoppet member 64 projects from thehousing 66. The cylindricalinclined wall 83 of themale coupling member 44 which corresponds to the cylindricalinclined wall 88 is disposed on anouter surface 112 of themale coupling member 44. No fluid is allowed to leak from thevalve assembly 40 when the cylindricalinclined walls male coupling member 44. Figure 18 shows a side view of thehousing 66 of themale coupling member 44 with thepoppet member 64 removed. Figure 19 shows a cross-sectional view of Figure 18. - Now referring to Figures 20, 21A, 21B and 22, a side view of the
poppet member groove 116 for retaining the o-ring 100 is disposed proximate thetip end 68 of thepoppet member 62. Figures 21A,B show different view-angles of the cross-sectional views of thepoppet member 62. Figure 21B shows the view of 45 degrees turning from Figure 21A. Figure 22 shows a back end view of thepoppet member 62. - Now referring to Figure 23 and 24A-C, Figure 23 shows a cross-sectional view of another embodiment of a
male coupling member 118 having no reciprocallymovable poppet member 62. Agroove 126 is disposed on anouter surface 128 of themale coupling member 118 for receiving the o-ring 110. Figures 24A-C show cross-sectional views of themale coupling member 118 with three different fluid conduit adaptors 48. There is nopoppet member 62 reciprocally received in themale coupling member 118. Atip end 120 is projected fromcross-bars 122 which are disposed and integral with aninner surface 124 of themale coupling member 118. Thus, the fluid in themale coupling member 118 is allowed to pass through at any times. When thetip end 120 is engaged with thetip end 68 of thefemale coupling member 42, the fluid is allowed to flow through themale coupling member 44 and thefemale coupling member 42. - Referring to Figure 25, a perspective view of another embodiment of the
valve assembly 130 is shown. Afemale coupling member 131 of thevalve assembly 130 is different from that of thevalve assembly 40 in that the female coupling member has adifferent adaptor 133. This embodiment is particularly suited for mounting on panel or bulkhead. In this.embodiment, asleeve member 132 is threadedly mounted on a threadedhelical groove 134. In the preferred embodiment, Dardelet threads are used so that thesleeve member 132 is self locking. Apad 136 having arecess 138 is disposed between thesleeve member 132 and astop flange 139 which has aprojection 140 received in therecess 138. Further, Figure 26 shows a cross-sectional view of thefemale coupling member 131 shown in Figure 25. - It is to be understood, however, that even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.
Claims (10)
- A quick connection coupling valve assembly (40), comprising:a male coupling member (44) having a front end (60) and a back end (75), the male coupling member (44) including a housing (66) which reciprocally receives a poppet member (64) therein and defines a fluid passageway (76) therethrough, the poppet member (64) having a tip end (70) normally projecting from a front end of the housing (66), a spring member (74) being compressedly disposed between a back end of the housing (66) and the poppet member (64), the back end (75) of the male coupling member (44) being connectable to a fluid conduit; anda female coupling member (42) having a front end (50) and a back end (52), the female coupling member (42) including a housing (54) defining a fluid passageway (76) therethrough having first and second housing portions (58, 56), the first housing portion (58) reciprocally receiving a poppet member (62) and the second housing portion (56) receiving the front end (60) of the male coupling member (44), said poppet member (62) having a tip end (68) normally projecting from a front end of the first housing portion (58), a spring member (72) being compressedly disposed between a back end of the first housing portion (58) and the poppet member (62), the back end (52) of the female coupling member (42) being connectable to a fluid conduit, the said coupling valve assembly (40) being characterised byclip means (78, 80) proximate the front end (50) of the female coupling member (42) for releasably locking the male coupling member (44) in the female coupling member (42);each of the poppet members (64, 62) including a conical member (94) disposed on a back side of the tip end (70, 68), the said conical member (68) tapering axially away from the tip end (70, 68).
- A quick connection coupling valve assembly (40) in accordance with claim 1, wherein a first adaptor (48) is welded to the back end of the housing (66) of the male coupling member (44), and a second adaptor (46) is welded to the back end of the first housing portion (56) of the female coupling member (42), at least one flash trap (102) is disposed between one end of the first adaptor (48) and the back end (75) of the male coupling member (44), and second adaptor (46) and the back end (52) of the female coupling member (42), respectively.
- A quick connection coupling valve assembly (40) in accordance with claim 1, wherein the clip means (78, 80) includes a one piece clip member (78) and a spring member (80) which is disposed between a surface of the female coupling member (42) and a bottom surface of a tab portion (81) of the clip member (78), the spring member (80) being enclosed by the tab portion (81) and at least one vertical wall (84, 86) of the female coupling member (42).
- A quick connection coupling valve assembly (40) in accordance with claim 3, wherein the clip member (78) is a one-piece plastic material.
- A quick connection coupling valve assembly (40) in accordance with claim 4, wherein the clip member (78) includes a lower edge (69) having an inclined surface (67) on a side facing the male coupling member (44) and a vertical surface (65) on a side facing away from the male coupling member, a circumferential flange (91) having an inclined surface (83) on a side facing the female coupling member (42) and a vertical surface (85) on a side facing away from the female coupling member (42).
- A quick connection coupling valve assembly (40) in accordance with claim 1, wherein the tip end (70) of the poppet member (64) of the male coupling member (44) is aligned with the tip end (68) of the poppet member (62) of the female coupling member (42).
- A quick connection coupling valve assembly (40) in accordance with claim 6, wherein the tip ends (70, 68) of the poppets (64, 62) are engageable with each other to open fluid passageways (76) of the male coupling member (44) and the female coupling member (42) when the valve assembly (40) is locked by the clip means (78, 80).
- A quick connection coupling valve assembly (40) in accordance with claim 6, wherein the tip ends (70, 68) of the poppets (64, 62) are disengaged from each other to close the fluid passageways (76) of the male coupling member (44) and the female coupling member (42) when the male coupling member (44) is disconnected from the female coupling member (42).
- A quick connection coupling valve assembly (40) in accordance with claim 1, wherein an o-ring (110) is disposed on an outer surface at the front end (60) of the male coupling member (44) and forms a fluid tight seal between the male coupling member (44) and the female coupling member (42).
- A quick connection coupling valve assembly (40) in accordance with claim 1, wherein an o-ring (100) is disposed on an outer surface at a front end of the poppet member (64, 62) of the male/female coupling member (44, 42) and forms a fluid tight seal between the male coupling member (44) and the housing (54), and the female coupling member (42) and the first housing portion (58), each of the o-rings (100) forming a maximum diameter at the tip end (70, 68) of the poppet members (64, 62) over which fluid flow is guided.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/967,157 US5316041A (en) | 1992-10-27 | 1992-10-27 | Quick connection coupling valve assembly |
US967157 | 1992-10-27 | ||
PCT/US1993/009574 WO1994010494A1 (en) | 1992-10-27 | 1993-10-07 | Quick connection coupling valve assembly |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0670023A1 EP0670023A1 (en) | 1995-09-06 |
EP0670023A4 EP0670023A4 (en) | 1996-12-18 |
EP0670023B1 true EP0670023B1 (en) | 1999-03-10 |
Family
ID=25512374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19930923795 Expired - Lifetime EP0670023B1 (en) | 1992-10-27 | 1993-10-07 | Quick connection coupling valve assembly |
Country Status (7)
Country | Link |
---|---|
US (2) | US5316041A (en) |
EP (1) | EP0670023B1 (en) |
JP (1) | JP3482496B2 (en) |
CN (1) | CN1035898C (en) |
AU (1) | AU5353594A (en) |
DE (1) | DE69323893T2 (en) |
WO (1) | WO1994010494A1 (en) |
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-
1992
- 1992-10-27 US US07/967,157 patent/US5316041A/en not_active Expired - Lifetime
-
1993
- 1993-10-07 DE DE1993623893 patent/DE69323893T2/en not_active Expired - Fee Related
- 1993-10-07 WO PCT/US1993/009574 patent/WO1994010494A1/en active IP Right Grant
- 1993-10-07 EP EP19930923795 patent/EP0670023B1/en not_active Expired - Lifetime
- 1993-10-07 JP JP51108294A patent/JP3482496B2/en not_active Expired - Fee Related
- 1993-10-07 AU AU53535/94A patent/AU5353594A/en not_active Abandoned
- 1993-10-27 CN CN93119429A patent/CN1035898C/en not_active Expired - Lifetime
-
1994
- 1994-03-24 US US08/217,453 patent/US5494074A/en not_active Expired - Lifetime
Also Published As
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---|---|
EP0670023A4 (en) | 1996-12-18 |
DE69323893D1 (en) | 1999-04-15 |
EP0670023A1 (en) | 1995-09-06 |
US5316041A (en) | 1994-05-31 |
JPH08503288A (en) | 1996-04-09 |
AU5353594A (en) | 1994-05-24 |
DE69323893T2 (en) | 1999-11-11 |
CN1035898C (en) | 1997-09-17 |
WO1994010494A1 (en) | 1994-05-11 |
US5494074A (en) | 1996-02-27 |
JP3482496B2 (en) | 2003-12-22 |
CN1092511A (en) | 1994-09-21 |
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